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 共查询到19条相似文献,搜索用时 234 毫秒
1.
运用人工智能技术、创造性地将设计及使用小口径金刚石钻头和大口径工程施工钻头的知识与经验编制成相应的专家系统,具有较高的实用价值。  相似文献   

2.
设计了适用于用热压法制造φ275大口径镶旬石钻头的石墨模具结构;给出了合理的石墨模具尺寸数据和公差;讨论了大口径孕镶金刚石钻头的配方参数;提出了大口径热压孕镶金刚石钻头的烧结工艺方法;列举了大口径热压孕镶金刚石钻头在三峡工程工地中的现场使用情况。  相似文献   

3.
经过系统分析总结钻探专家们根据岩石力学性质设计及合理使用金刚石钻头方面的知识和经验,选择了合适的工具,编制成相应的专家系统,便于推广应用。  相似文献   

4.
分析对比了多种岩土钻探工程大口径钻头的优缺点,设计了适应不同地层的大口径钻头。  相似文献   

5.
钻头配方设计神经网络专家系统   总被引:2,自引:0,他引:2  
利用人工神经网络中的BP算法,设计的金刚石钻头配方神经网络专家系统具有知识规则较少、界面友好等特点,用于开发钻头配方设计是可行的。实践中经与相同设计条件的钻头相比,其使用效率和寿命均有所提高。  相似文献   

6.
大口径组合牙轮钻头在深孔中的应用   总被引:1,自引:0,他引:1       下载免费PDF全文
大口径深孔使用组合牙轮钻头存在一些问题,对钻头结构加以改进,并采用多点扶正、宝塔式钻具结构、满眼钻进,尽可能采用气举反循环钻进,采用优质固相泥浆,保证足够的钻压及合理的转速,取得了较好的效果。  相似文献   

7.
大口径环状钻头切削具的更换一直是国内外钻探界关注的课题。详细阐述了俄罗斯同行设计并用于生产实践的一种组合式大口径环状钻头的结构及其组合装卸方式、工作原理和技术关键  相似文献   

8.
冯玉国 《岩土工程师》1997,9(3):26-28,51
以大口径钻头的平均时效、使用寿命、修复费和适应性为评价指标,通过计算被评价钻头各指标到理想点的相对贴近度,提出一种实用的大口径钻头多目标决策综合评价方法。以南京地区钻灌注桩用5种类型大口径钻头统计资料为例,说明该方法的具体应用。  相似文献   

9.
结合牙轮钻头的结构、性能、工作条件,分析了大口径组合牙轮钻头在使用中出现的问题,并提出了改正措施和建议  相似文献   

10.
如何合理、巧妙地选择钻头与原有老设备配套来施工大口径工程孔,具有现实意义。我们在使用TSJ1000型水源钻机钻进通风孔、送料孔等大口径深孔工程中取得了成功经验,介绍如下。1 工程概况1.1 高平伯方煤矿通风孔设计口径1000mm,深度153m。地层情况:0~22m为杂填土,22~38m为泥质灰色砂岩,38~42m为强、中风化花岗岩,42~153m为微风化花岗岩。1.2 朔黄铁路宁武段送料通风孔设计沿隧道走向施工一大口径深孔进行送料通风,孔径800mm,深度120m。地层情况:0~6m为填积层,6…  相似文献   

11.
专家系统是人工智能领域中最重要而且有活力的分支这一,它在机械设计领域中的应用,对于推动机制设计过程向自动化及智能化方向的发展,具有极其重要的现实意义,论述了钻机设计专家系统研究中的一些主要问题,探讨了钻机设计专家系统要完成的主要目标和任务以及实现方法,并研究了适合于钻机设计专家系统要求的知识表示,知识获取和知识推理方法。  相似文献   

12.
金刚石钻头质量的提高,主要取决于控制金刚石钻头的各种性能参数,特别是金刚石钻头制造工艺过程中的自动化控制,这是全面保证钻头质量的关键。经多年研究已取得了良好的效果。  相似文献   

13.
层间剪切带工程地质专家系统是一个专门对层间剪切带工程地质问题进行研究和评价的实用型专家系统。本文介绍了为研制该系统而建立起来的领域知识结构模型, 该知识模型是在总结、归纳该领域三位著名专家的知识和经验的基础上建立起来的, 是专家系统知识表达及推理策略的基础。  相似文献   

14.
本文将建造专家系统分成知识转移和知识转变两个过程。提出知识模型、知识模型域、知识模型边界条件、知识库结构等新概念。认为,建好知识模型,是知识获取、建立知识库、建造专家系统的前提、依据、基础。  相似文献   

15.
The gas resources assessment expert system is one of the advanced methods for appraising oil and gas resources. The establishment of a knowledge base is the focal task in developing the expert system. This paper presents a summary of the mechanism and the major controlling factors in the formation of gas pools in the southeast uplift of the Songliao basin. Then an appropriate assessment model is established for trapping the gas resources and a knowledge base built in the expert system to realize the model. By using the expert system to appraise the gas-bearing probability of 25 major traps of the Quantou and Denglouku Formations in the Shiwu-Dehui area, the authors have proved that the expert system is suitable for appraising traps in the Songliao basin and similar basins.  相似文献   

16.
由于地裂隙水埋藏分布规律的复杂怀,致使裂隙水的开发利用十分困难。因此,获取和利用理论水平高、实践经验丰富的基岩裂隙水专家的知识,通过计算机技术形成具有智能功效和的专家系统,就具十分重要的理论和实际意义。本文详细介绍了基岩裂隙水七开发专家系统(BFWP)的建立过程,包括系统的知识库建造,推理机设计,以及系统的图形功能  相似文献   

17.
Expert System for Applicability of Tunnel Boring Machines in Japan   总被引:6,自引:0,他引:6  
Summary ¶This paper outlines the development of a new expert system for assessing the applicability of tunnel boring machine (TBM) tunneling in Japan. Although a great deal of research on TBMs has been published, and the applicability of TBMs has been discussed, considerable differences in opinion still exist between authors. In this paper, we review previous studies and outline the present situation with particular focus on disc-cutter TBMs. Based on the knowledge acquired, we present an expert system for the applicability of TBMs, for use in pre-feasibility studies. Originally, we planned to construct the expert system on the basis of unified knowledge or rules without contradictions. However, it was found after several attempts that it is very difficult to unify knowledge because opinions vary considerably and TBMs are under continuous development. As a result, the expert system was divided into three stages. In stage A, the fulfillment of fundamental requirements is checked. Stage B is a simple expert system consisting of a minimal set of suitable rules as judged by the authors. Stage C incorporates the opinions of various other experts and the over-simplified and omitted points in stage B. The system is applied to 18 tunnels in Japan, and while the results provided by the expert system can certainly be improved, the method for accumulating knowledge and rules makes the system simple and easy to use, with very large scope for improvement and expansion.Received July 1, 2001; accepted December 9, 2002 Published online April 29, 2003  相似文献   

18.
The expert system for statistical prediction of mineral deposits on middle and large scales takes the system of scientific exploration theories, criteria and methods proposed by Professor Zhao Pengda as the field expert knowledge. At present the developed system focuses on two aspects: synthetic exploration and quantitative exploration. Among the three basic theories for the prediction of deposits, it highlights the applications of seeking anomaly theory. This system is characteristic in the determination of geological background, the study of geological anomalies and the delineation of geological background, the study of geological anomalies and the delineation of mineralization anomalies. The system combines closely the knowledge base, method base and database ,integrates the input and output information of multi-sources and multi-variables, data , graphs and imagine processing system and inquiring system as a whole . So the system can meet in general all kinds of demands in statistical prediction of m  相似文献   

19.
岩溶的发育受到多种因素控制,具有不确定性,在结合宜万铁路齐岳山隧道、八字岭隧道、野三关隧道、马鹿青隧道以及渝怀铁路圆梁山隧道等多座岩溶地区山岭隧道的岩溶洞穴发育分布特征分析研究的基础上,提出了包括地层岩性、地质构造、地形地貌、地表水、地下水、隧道设计等因素在内的隧道工程岩溶超前预报的地质分析指标体系,明确了岩溶灾害发生危险性的高、中、低3个等级的工程地质标志性特征,应用专家评价法研究了各个指标的权重,构建了超前地质预报专家系统知识库,研制了山岭隧道岩溶超前地质预报专家系统,通过宜万铁路具体隧道工程的实际应用探讨了专家系统预测的可靠性。  相似文献   

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